using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;

namespace Xamarin.PropertyEditing.Windows
{
	internal class NullVisibilityConverter
		: IValueConverter
	{
		public object Convert (object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (value == null)
				return Visibility.Collapsed;

			return Visibility.Visible;
		}

		public object ConvertBack (object value, Type targetType, object parameter, CultureInfo culture)
		{
			throw new NotSupportedException();
		}
	}
}